In case TPB shuts down or changes beyond recognition, I am looking at puretna dot com and empornium dot us as an alternative. Both of them private but with largish membership, almost 1 million each.

I know that the board called forumophilia dot has a nice selection of hairy. Downside You need a RS or some other similar account to make it work. Boards often have a long list of banned sites, make sure you know what you're doing!